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PH485i-Dual

RS-232 / TTL USART to RS-485/422 Bi-Directional Converter with 3kV Isolation

INTRODUCTION

IPEX PH485i-Dual is a Bi-Directional RS-232 / TTL USART to RS-485 and RS-422 Converter that converts RxD & TxD signals of RS-232 standard to differential (Data+ & Data-) signals of RS-485 standard and (RX+,RX- & TX+,TX-) signals of RS-422 standard at a same time. PH485i-Dual™ is designed for industrial usage and is useful for Industrial Automation, Telecommunications, SCADA Systems, DCS Systems and …

Protection against Surge, ESD and EMI is considered in its design and also has 3kV Electrical and Optical Isolation between RS-232/TTL USART and RS-485/422 sides. Since RS-485 is a Half-Duplex standard, switching between Transmit and Receive is done automatically and further signals (such as RTS) are not required. PH485i-Dual™ supports Point-to-Point and Point-to-Multi Point Party Line network topologies.

 

 

SPECIFICATIONS

  • RS-232 / TTL USART to RS-485/422 Bi-Directional Converter
  • RS-232 Signal (Full Handshake Support): TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
  • Standard TTL (0~5V) TxD and RxD Signals, proper to directly connect to a Microcontroller
  • RS-485 Signal: Data+, Data-, GND
  • RS-422 Signal: TX+, TX-, RX+, RX-, GND
  • Serial Transmission Speed up to 230.4 kbps
  • Baud Rate Type: Auto Switching Baud Rate
  • Maximum Communication Distance (RS-485 and RS-422): 1200m (4000 feet)
  • Loading: RS-485/422 Side Support  up to 32 Nodes
  • Isolation Protection: 3kV Instantaneous, 500V DC continuous (i-Model only)
  • Power (Green) LED Indicator
  • Transmit (Blue) and Receive (Yellow) LED Indicator
  • Power Supply Input Voltage: +9VDC to +48VDC
  • Operating Temperature: -10°C to +70°C (+14°F to +158°F)
  • 1 Year Guarantee and 5 Years Support

 

            DATA SHEET                                                  USER'S MANUAL

 

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